Wikipedia:

Kabban Mirza (born 1937 or 1938) is known for singing a couple of melodious songs in Hindi cinema. Not much is known about Mirza's life and his whereabouts, though it is known that he belonged to Uttar Pradesh. His singing was featured in the film Razia Sultan, directed by Kamal Amrohi (1983). Two of his songs are "Aayee Zanjeer Ki Jhankar" and "Tera Hijr Mera Naseeb Hai". He also sang a song, entitled "Is Pyar Ki Basti Mein" for the movie, Sheeba, though he was not given credit for it.

Kabban Mirza used to work as a radio announcer with Vividh Bharti, All India Radio station, Mumbai before he was featured. Kamal Amrohi selected him over a lot of popular singers of that era. According to him, Kabban Mirza's voice suited the character portrayed by Dharmendra.

Mirza later suffered from Cancer of the larynx. While no concrete information of his death exists in the internet, a website refers to him as the "Late Kabban Mirza".